Symbol.split

The Symbol.split static data property represents the well-known symbol Symbol.split. The {{jsxref("String.prototype.split()")}} method looks up this symbol on its first argument for the method that splits a string at the indices that match the current object.

For more information, see RegExp.prototype[Symbol.split]() and {{jsxref("String.prototype.split()")}}.

{{InteractiveExample("JavaScript Demo: Symbol.split", "taller")}}

``js interactive-example class Split1 { constructor(value) { this.value = value; } [Symbol.split](string) { const index = string.indexOf(this.value); return${this.value}${string.substring(0, index)}/${string.substring( index + this.value.length, )}`; } }

console.log("foobar".split(new Split1("foo"))); // Expected output: "foo/bar"

## Value

The well-known symbol `Symbol.split`.

{{js_property_attributes(0, 0, 0)}}

## Examples

### Custom reverse split

```js
class ReverseSplit {
  [Symbol.split](string) {
    const array = string.split(" ");
    return array.reverse();
  }
}

console.log("Another one bites the dust".split(new ReverseSplit()));
// [ "dust", "the", "bites", "one", "Another" ]

Specifications#

{{Specifications}}

Browser compatibility#

{{Compat}}

See also#

• Polyfill of Symbol.split in core-js
• {{jsxref("Symbol.match")}}
• {{jsxref("Symbol.matchAll")}}
• {{jsxref("Symbol.replace")}}
• {{jsxref("Symbol.search")}}
• {{jsxref("String.prototype.split()")}}
• RegExp.prototype[Symbol.split]()